Are you aware you have so-called smart quotes in your R code? That can cause all sorts of interesting errors, though I don't get the exact one you report.
Sarah On Thu, Aug 7, 2014 at 6:37 PM, Fisher Dennis <fis...@plessthan.com> wrote: > R 3.1.1 > OS X (and Windows) > > Colleagues > > I have some code that manages files. Previously (as late as 3.1.0), the > command: > file.info(FILENAME)$mtime == “” > yielded T/F > > Now, it triggers an error: > Error in as.POSIXlt.character(x, tz, ...) : > character string is not in a standard unambiguous format > > I looked through Peter Dalgaard’s list of changes in 3.1.1 and I cannot find > anything that would explain the change between versions. I have fixed the > problem. However, I am concerned that other problems may be lurking (i.e., > the changes might affect other commands). > > Of note, I ran: > str(file.info(FILENAME)$mtime) > in both versions of R and the results did not differ > > Can anyone explain what changed so that I can search my code efficiently? > > Thanks in advance. > > Dennis > > > Dennis Fisher MD > P < (The "P Less Than" Company) > Phone: 1-866-PLessThan (1-866-753-7784) > Fax: 1-866-PLessThan (1-866-753-7784) > www.PLessThan.com > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.